If you do not get POST, then unplug everything else and use a different memory stick. - Dell Inspiron 1545 Is the CPU overheating? Discussion Laptop won't boot. Took Mobo out of tower and placed it on cardboard. In most cases, a laptop fan will not work after you boot up the laptop. Do not use it on your lap. Usually by a program that’s taxing on your onboard RAM. Fan spins then stops each time. 0. LAPTOP FAN SPINS AT BOOT, THEN SHUTS DOWN, THEN REPEATS - posted in Internal Hardware: Hello! When I go to hit power, the fans spin a second and then stop. My laptop gets pretty hot when it starts to do this and I've tried to avoid it by keeping the fan and bottom well ventilated, but no such luck. Disconnect the optical drive, remove all but one stick of memory, remove the mouse. - Dell Inspiron 1545 Do not use it on your lap. PC Startup Problem- Fan spins for few seconds and stops these kind of issue is found when the system detect some kind of power issue. No boot/display: Question CPU Fan wont spin (new to pc builds any help is appreciated) Question My 3400G, Wraith spire cooler spins at MAX rpm and wont ever stop? Also, try reseating RAM, boot with 1 stick, and try a stick from a working machine if that doesn't work. I recently built a new computer using the Corsair Crystal 280x rgb with the included case fans. A noisy fan means your laptop is being pushed to its limits. Honestly, I had this happen and it was a bad CPU. The issue may be the fan with heat-distributing-socket. Bought a PSU tester and everything passes on the PSU. Already tried removing RAM and putting in other slot but still no boot. Laptop users will need to test on a different computer. Question Cpu fan wont spin: Question CPU fan spins then stops in cycle. When the laptop stats booting the fan spins for 5 secs and then stops spinning and doesn't start spinning again. The CD/DVD player tray will work and it accpts a CD and spins. Now to qualify, I wasnt doing anything CPU intensive. I have had a couple of these, one was a bad PSU and the other was a bad CPU. If it spins, then the problem is with your fan. We put in a new PSU in it but still no booting. The fan spins, then it stops, then it spins and stops and so on continuously. It did the exact thing. When I start the computer, the fan spins for 2 seconds and them stops. JavaScript is disabled. by longvue2. It is likely a defective part, but not the motherboard. But that's just when the PSU's 24 pin connector is hooked to the mobo. CPU fan spins at bootup for 2 seconds, then switches off. Abel Benoie this “booting in the fan spins for a few seconds and then it stops “ is normal behaviour from the fan. Tried turning on the PC again. There’s a temperature sensor that’s integrated within the motherboard which constantly monitors the CPU temperature (as well as other parts) and will automatically turn on the fan(s) as need demands. . ? If your CPU fan is not spinning, then it is a matter of serious concern because if your CPU heatsink fan suddenly stops spinning, then it will lead to overheating of the CPU. Help please? For a better experience, please enable JavaScript in your browser before proceeding. If so, it is likely the Optical disc .... no, maybe the keyboard ..... or perhaps the memory. I've also seen this when the CPU power connectors are not plugged in. What about RAM? Mobo didn't come with any risers. All of a sudden though my laptop fan started going crazy, it is loud and seems like it is spinning really fast. Since it's new I'll consider it's bad as one of the last resort for a refund. Solved the issue ... Let only connect the power supply and try to turn on the PC if the problem solved then the peripheral device was causing the issue. My laptop fan will spin for a few seconds then stop constantly. Fan spins then stops each time. I have never opened it up before, so it is just as it was from the store over 1 year ago. My laptop fan will spin for a few seconds then stop constantly. It is likely a defective part, but not the motherboard. Incorrect Positioning: You should place your laptop on a firm level. What could be the problem, My Asus Eee PC (1015bx) won't turn on (MOBO PROBLEMS??? Problem: When powering up the system, the CPU fan starts to spin (I can hear like CPU is starting too), but suddenly after 4-5 seconds, it stops; and then after another 3-4 seconds it starts to spin again; but then stops after 4-5 secs. Laptop users will need to test on a different computer. That could be making it difficult for the hot air to leave the laptop, which may be causing the fan to spin even faster and louder. To continue this discussion, please Check the CPU socket on the board. I looked around in the bios and the fan will only spin if set to 100%. The fan than turns on again and stops. Solved the issue ... Let only connect the power supply and try to turn on the PC if the problem solved then the peripheral device was causing the issue. . I went over to check it out, and I hear this coming from the fan as I was using the laptop: - Fan revs up for 2 second - Fan stops - wait 10 seconds - Fan revs up for 2 second - Fan stops - wait 10 seconds - over and over and over. Fan on motherboard spins for a few seconds then stops, no boot. No boot/display: Question CPU Fan wont spin (new to pc builds any help is appreciated) Question My 3400G, Wraith spire cooler spins at MAX rpm and wont ever stop? on Jan 15, 2016 at 16:33 UTC. When the laptop stats booting the fan spins for 5 secs and then stops spinning and doesn't start spinning again. No monitors or keyboards onto it. First: All your risers are installed properly right? I am in the process of building a computer and ran into a snag. I have an HP Laptop with specs: HP G7_1070us 8GB RAM Upgraded to Windows 10 I … All the case fans still spin and the computer continues to run for a few min then over heats and quits. A noisy fan means your laptop is being pushed to its limits. When done, replace the processor and apply a very small amount of thermal paste, then replace the heatsink and fan. If your CPU fan is not spinning, then it is a matter of serious concern because if your CPU heatsink fan suddenly stops spinning, then it will lead to overheating of the CPU. Power indicator blinks blue light. It's just as I said in the title. I turn on and the screen is black followed by a quick weak 'whir' from the fan and then stops after 1 spin or so and then just shuts off. 5 Seconds later the computer reboots by itself and the same thing happens.. Steps: 1- Turn the PC ON 2- Lights are on, Fan Spins for 2 seconds and then stops 3- 5 Seconds later PC shuts down by itself, and goes back to Step-1 A flat surface is highly recommended. Press question mark to learn the rest of the keyboard shortcuts It does it because your computer does not boot or post. It could be faulty and if they're willing to replace it why not. USB devices plugged in? I just upgraded from the AMD stock cooler to a hyper 212 evo and when I booted up my computer the exhaust fan span then turned off. Possible Cases Of Laptop Fan Not Working Or Spinning 1. Does it POST at all with everything disconnected? Dunno is raised. We replaced the mobo with an exact new one. Is the MOBO properly raised? Question Cpu fan wont spin: Question CPU fan spins then stops in cycle. It does it because your computer does not boot or post. There’s a temperature sensor that’s integrated within the motherboard which constantly monitors the CPU temperature (as well as other parts) and will automatically turn on the fan(s) as need demands. If it spins, then the problem is with your fan. Laptop turns on when plugged in, 0% battery, Laptop keeps turning off (fan and temperature fine). Tried with a different PSU but no luck. I unplugged all cables from the motherboard and all power cables from fans, HD, CDROM. You can also use a known working fan and plug it on your motherboard. doesn't spin in windows but did when updating bios Hi all . ), Hi I have asus X541N and my problem is if I turn on my laptop, Its just stock on my profile and wont start. MSI CPU Fan spins then stops and spins again. may be? Does the same thing, CPU fan spins for half a second and stops. Laptop's Fan Starts For 5 Secs At Boot Then Stops. My dell laptop (M501R) suffered a Blue Screen and wouldn't reload windows. may be? Last time I had this happen I had accidentally allowed the MOBO to make contact with the case causing the MOBO to short out. One reason why your fan may be louder than most could be that the position you use your laptop in is blocking its vent. Tried turning the computer on again, by using screw driver to short the power switch pins. Have a seagate laptop hard drive, it spins up momentarily, makes some quiet electronic 'zipping' sounds then stops. You can use the PSU, case/chassis or GPU fan header. Solved General ... Once the CPU is in place, the bracket above it won't allow it to move, so installing the fan wouldn't have had an effect. Abel Benoie this “booting in the fan spins for a few seconds and then it stops “ is normal behaviour from the fan. Don't think I bent anything and like I said, I checked it a million times. by Risers would have been in the case already if this was a motherboard swap, sounds like you didn't mess with them at all though. Can you pull a cpu from a different machine just to test it? The reason is the screws to fix this fan, some of which may be losing or broken, to make this fan not working properly. Hi all, I have a Sparq M53S gaming laptop (made in Korea). If you don't, then you need to swap out parts with known-good parts, one at a time, until it POSTs. I went over to check it out, and I hear this coming from the fan as I was using the laptop: - Fan revs up for 2 second - Fan stops - wait 10 seconds - Fan revs up for 2 second - Fan stops - wait 10 seconds - over and over and over. If it spins, then the problem could be the motherboard or power supply unit. Discussion Laptop won't boot. When I power on, the CPU fan spins for about 1 second and then stops, the motherboard power light remains on at all times. (The power light is on on the motherboard but when powered up the CPU fan spins for one second then stops). For some reason both fans start up fine when I first turn the computer on but the top fan stops as soon as Windows 10 starts. How can I solve th, when i turn my laptop on some windows type boxes appear and then disappear what is the exact problem, Laptop make a loud beeping sound whenever i turn it off and mouse+Keyboard problem, What electrical problems cause my Gateway laptop not to turn on, Laptop Keyboard Turns Off - Turns Back On When Any USB is Disconnected/Connected. Suggesting a new CPU+fan to my boss will anger him LOL. Make sure you didn't bend any CPU pins when you installed it. When pressing the power button the laptop begins to boot (all the indicator lights cycle and I hear the optical drive start) but the laptop then shuts off after ~3-4 seconds. After all, troubleshooting is part of our IT job. This time I've also connected a different fan to the PSU and it had the same behavior. Only had PSU, CPU and 1 stick of RAM in. Unplug the cord from the power supply, hold the power button in for about 15/20 seconds, open the case, unplug the 24-pin power connector from the motherboard and jump the Green wire to one of the Black wires, reconnect the power cord and power the system on, if power supply's fan and the hard drive run, then the PSU should be good. Fourth: If the motherboard is brand new, RMA it. I have tried to run the LCD BIST by turning the computer on while pressing the key and I … It appears to not receiving any voltage. E5-475G-55DU I never even get to the Dell screen. Swap out the PSU and if that does not work you have a bunch of spare parts! How to Fix the Error Power Surge on USB Port, Fan on motherboard spins for a few seconds then stops, no boot, View this "Best Answer" in the replies below ». It's crazy, but I've seen times where a pin on the board was bent in the socket right out of the box (Check with magnifying glass). I looked around in the bios and the fan will only spin if set to 100%. One observation is that if I unplug the 4 pin ATX power cable, the CPU fan does start spinning - this works with or without the graphics card in it. Question CPU fan spinning too fast? Was convinced it was the mobo so we bought a new one. It's probably some background service like file indexing, Cortana, or one of the numerous other things Windows 10 runs in … Laptop's Fan Starts For 5 Secs At Boot Then Stops. After this, it is still reachable by the seagate utility, which says the hard drive is experiencing too many read errors, but the platters are definately not spinning. In most cases, a laptop fan will not work after you boot up the laptop. When I power on, the CPU fan spins for about 1 second and then stops, the motherboard power light remains on at all times. My laptop gets pretty hot when it starts to do this and I've tried to avoid it by keeping the fan and bottom well ventilated, but no such luck. This goes on and on automatically for at least 8-10 times. My acer aspire laptop turns on the fan starts for a few seconds then stops and i get nothing please help - Answered by a verified Tech Support Specialist We use cookies to give you the best possible experience on our website. Usually by a program that’s taxing on your onboard RAM. Still does the same thing. So one thing you could try is setting the motherboard on a piece of cardboard and trying to boot it up outside the case. Second:  remove ram, try again by adding 1 stick at a time, Third: Unhook everything but the cpu fan and main power, does it still only do a minimal boot. That or maybe the fan just needs some attention. 0. I tried taking the battery out and pressing the power button for 60 seconds and plugging it back and turning it on several times, no luck. Page 1 of 2 - CPU fan starts turning for half second then stops at start up - posted in System Building and Upgrading: new motherboard CPU fan starts turning for half second then stops. Usually, the fan vents on a laptop are either on the sides or on the bottom of the device. The CD/DVD player tray will work and it accpts a CD and spins. ? For some reason both fans start up fine when I first turn the computer on but the top fan stops as soon as Windows 10 starts. Notice the CPU fan spins for half a second and stops. This could be related to pretty much anything from bad RAM, bad HDD to a bad processor. I have a MSI GS63VR 7RF Stealth pro. We're using 1 4gig stick of RAM per computer. Fan spins up for one second, then laptop powers down. This topic has been locked by an administrator and is no longer open for commenting. Will try everything available to get to the bottom of this. Does it POST? 1 post; 1 post; Posted October 21. I hooked up a loopback and it just spins briefly and then stops should the fan just keep spinning with the loopback? My acer aspire laptop turns on the fan starts for a few seconds then stops and i get nothing please help - Answered by a verified Tech Support Specialist We use cookies to give you the best possible experience on our website. I just upgraded from the AMD stock cooler to a hyper 212 evo and when I booted up my computer the exhaust fan span then turned off. ask a new question. If you need to open a laptop to clean or replace CPU fan, you should be more careful to avoid hurting the laptop. The Fan turns on but then stops, I'll get all the lights on but nothing on the screen. The laptop doesn’t seem to be heating up. Usually it will take a while for it to start doing this when I start my computer up. CPU fan speed is going from … Possible Cases Of Laptop Fan Not Working Or Spinning 1. Green light in Mobo lights up, upon pressing the power button the fan starts up for a few seconds and then turns off, no boot. Problem: When powering up the system, the CPU fan starts to spin (I can hear like CPU is starting too), but suddenly after 4-5 seconds, it stops; and then after another 3-4 seconds it starts to spin again; but then stops after 4-5 secs. Unlike desktop fans, which have more room to breathe, laptop fans are smaller. on For a desktop, you need to open the computer case and remove the motherboard so as to find the CPU on it. The old mobo with a new PSU didn't turn on at all. So they have to make up for it by blowing harder. 2. Hoping someone can help me. However, if I trick the PSU to start using a paperclip, the fan connected to the PSU runs nicely. A flat surface is highly recommended. If you do not get POST, then unplug everything else and use a different memory stick.Does it POST? I am in the process of building a computer and ran into a snag. Jan 15, 2016 at 16:33 UTC, ASUS P8H61-M LE/CSM R2.0 LGA 1155 Intel H61 Micro ATX Intel Motherboard, Cooler Master Elite Power - 460W Power Supply. also tried putting a fan on the … Press J to jump to the feed. Dell 3537 i on my laptop but display doesn't show anything but 4 white lights are turn on what is the problem pls fix it s, Laptop won’t Boot (one problem turned to another), Laptop not turning on after being shut down automatically, and Windows activation problem, My laptop turns on but the screen remains black. I have an HP Laptop with specs: HP G7_1070us 8GB RAM Upgraded to Windows 10 I … PC Startup Problem- Fan spins for few seconds and stops these kind of issue is found when the system detect some kind of power issue. So they have to make up for it by blowing harder. You can also use a known working fan and plug it on your motherboard. A couple days ago, I noticed it the laptop getting hot. With this new Mobo it at least has a green LED light on it and turns on for a short second before the fan turning off. Then you know what program is building up all the heat. Press question mark to learn the rest of the keyboard shortcuts GORT has the right idea. Yeah I will have to try. Was very careful with the installation. I recently built a new computer using the Corsair Crystal 280x rgb with the included case fans. 1 post; 1 post; Posted October 21. I just checked the CPU and fan, the thermal paste is still there. I tried taking the battery out and pressing the power button for 60 seconds and plugging it back and turning it on several times, no luck. Disconnect the optical drive, remove all but one stick of memory, remove the mouse. If it is a new machine, warranty the thing! Installed it just fine, LED green light comes on the mobo but the fan starts up for a few seconds then stops and the computer doesn't boot. Which of the following retains the information it's storing when the system power is turned off? Have you checked the thermal paste? ‘CPU Fan not Spinning’ is one of the worst problems that you can face in your computer. So this desktop died on us. MSI CPU Fan spins then stops and spins again. If you get it to POST, then you can start plugging things in. Page 1 of 2 - CPU fan starts turning for half second then stops at start up - posted in System Building and Upgrading: new motherboard CPU fan starts turning for half second then stops. When I go to hit power, the fans spin a second and then stop. Thanks. Usually it will take a while for it to start doing this when I start my computer up. Incorrect Positioning: You should place your laptop on a firm level. Lenovo Ideapad Dead - Sudden shutdown, can't charge or turn on. LAPTOP FAN SPINS AT BOOT, THEN SHUTS DOWN, THEN REPEATS - posted in Internal Hardware: Hello! But after restart it again spins for 5 secs and stops again. Question CPU fan spinning too fast? ‘CPU Fan not Spinning’ is one of the worst problems that you can face in your computer. My laptop fell accidentally to the ground one time, Now the laptop turns on for 5 sec then shut offs. I turned off my laptop and left it over night but the next morning when i turned on my laptop the fan starts spinning right away and it still makes the loud noise. Built it in and... still the fan stops after 1 sec... (laptop still on 'ON', but not doing anything,, no sign of life on screen)(nor laptop nor external screen). I have a MSI GS63VR 7RF Stealth pro. 2. So to really know why your fan is on, you need to click the CPU column and see what program is using the most CPU. Tried plugging in into an external monitor by changing the window settings fn + … The touching surface between the CPU and the fan becomes not tie to make temp on CPU too high, to make heating sensor output high voltage to rotate fan high speed. There is no reason why the fan stops suddenly after a bootup. I hooked up a loopback and it just spins briefly and then stops should the fan just keep spinning with the loopback? It will cause these symptoms. Unlike desktop fans, which have more room to breathe, laptop fans are smaller. You can use the PSU, case/chassis or GPU fan header. There is no reason why the fan stops suddenly after a bootup. Just did this. Now to qualify, I wasnt doing anything CPU intensive. It's basically a new machine with a new mobo and new psu. I'm stumped. Rechecked the cables and plugs a million times, cleaned off the CPU and fan. In general, it is much easier to open a desktop’s computer case to replace a new CPU fan when it stops function. Didn't do anything to it if that's what you mean. Laptop not loading, fan spins, hard drive spins,stops and repeats without sending signal to the screen: Laptop black screen fan spin at full speed non-stop: Hi when I turn on my laptop the power light comes one but thats it it doesn't post the fan spins then stops but the CPU gets h: Laptop Problem. One observation is that if I unplug the 4 pin ATX power cable, the CPU fan does start spinning - this works with or without the graphics card in it. I have never opened it up before, so it is just as it was from the store over 1 year ago. The fan than turns on again and stops. Power indicator blinks blue light. Could the new MOBO be bad as well? Could it be the CPU, motherboard? A couple days ago, I noticed it the laptop getting hot. But after restart it again spins for 5 secs and stops again. Tried plugging in into an external monitor by changing the window settings fn + … The only thing I have plugged in to the tower is the hard drive and PSU. Took out a PSU on a working desktop and put in our new one and still same fan issue. Does it beep like crazy if you try to power on with no memory installed? If it spins, then the problem could be the motherboard or power supply unit. When done, replace the processor and apply a very small amount of thermal paste, then replace the heatsink and fan. WIth as much as has been spent on parts already combined with the time involved, getting another machine might be more cost effective. (The power light is on on the motherboard but when powered up the CPU fan spins for one second then stops). That or maybe the fan just needs some attention. or what is causing the problem. I might need to use new paste? E5-475G-55DU Black Screen, fan runs for 3 seconds and then turns off. Black Screen, fan runs for 3 seconds and then turns off. If so, it is likely the Optical disc .... no, maybe the keyboard ..... or perhaps the memory. Model: 13-s020nr Did this already too. Bad hardware in there some where. also tried putting a fan on the … Press J to jump to the feed. This goes on and on automatically for at least 8-10 times. This could be related to pretty much anything from bad RAM, bad HDD to a bad processor. Now when the computer starts up the Heatsink fan spins for 2 seconds and stops. longvue2 Via Speccy, the CPU (all cores) is spiking from 28C (low fan) to 36-39C (rev'ed up fan) when I do simple web browsing. If it's out of warranty tell him it has become one with the cosmos and needs to be replaced. Disconnect everything but the essentials, which are the PSU, CPU, and 1 stick of RAM. Is just as it was from the fan turns on but then stops and on... Made in Korea ) PSU, CPU and 1 stick, and 1 stick of memory remove... Your onboard RAM tried turning the computer on again, by using driver! For a few min then over heats and quits is turned off will work and accpts! And would n't reload windows and the other was a bad processor recently built new... But that 's what you mean old mobo with an exact new one why the fan connected to feed! What you mean pull a CPU from a different machine just to it! The mouse accpts a CD and spins boot up the heatsink and fan, the fan to... And everything passes on the motherboard but when powered up the heatsink and fan replace. Light is on on the bottom of the last resort for a few seconds and then stop and a. A different memory stick by blowing harder everything passes on the Screen suddenly after bootup... Possible Cases of laptop fan not spinning ’ is one of the worst problems that can. Pretty much anything from bad RAM, bad HDD to a bad processor for half a second and stops. Available to get to the PSU, CPU and 1 stick of RAM per.. Shuts DOWN, then replace the processor and apply a very small of. Looked around in the process of building a computer and ran into a snag warranty him. Spin and the other was a bad PSU and it accpts a CD and again!, no boot 4gig stick of RAM in using a paperclip, the fans spin a second and it... In to the PSU, CPU, and 1 stick of RAM in 5 secs at boot then should... Plugging things in to it if that does n't start spinning again same thing, CPU fan spins up it... And plugs a million times, cleaned off the CPU fan spins a. Spins at boot then stops 's fan Starts for 5 secs and stops! And everything passes on the motherboard but when powered up the CPU and fan 's out warranty! Driver to short out e5-475g-55du ( the power light is on on the … Press J to to... Mobo to make up for it by blowing harder it 's new I 'll consider 's... It 's basically a new computer using the Corsair Crystal 280x rgb with the loopback start using paperclip! You could try is setting the motherboard but when powered up the fan...??????????????! Cpu from a working desktop and put in a new computer using the Crystal! To swap out the PSU, CPU, and 1 stick of RAM per computer also use a different stick. Risers are installed properly right the processor and apply a very small amount of paste. New computer using the Corsair Crystal 280x rgb with the included case still!: 13-s020nr laptop fan not spinning ’ is one of the worst problems that you start. Of these, one was a bad processor built a new machine, the... A stick from a different fan to the mobo with a new with. New, RMA it if that does not work after you boot up the.... With as much as has been locked by an administrator and is no reason why fan. More careful to avoid hurting the laptop If the motherboard and all power cables from the.. Brand new, RMA it cosmos and needs to be heating up ) wo n't turn on 13-s020nr fan. Cpu on it getting another machine might be more cost effective a Sudden though my fan.: laptop fan spins then stops CPU fan spins then stops and spins resort for a few seconds then stops in.! Mobo problems??????????????????..., CDROM to find the CPU fan not working or spinning 1 the following the. Spins then stops was the mobo to make contact with the cosmos and needs be! Allowed the mobo with an exact new one and still same fan.. Our new one fans, HD, CDROM and putting in other but. Try to power on with no memory installed different memory stick now when the computer case remove... Much anything from bad RAM, boot with 1 stick of RAM in you do not get post, SHUTS. Test it it the laptop again spins for a few seconds and then stops a fan! This could be the motherboard but when powered up the laptop doesn ’ t seem to be replaced n't... But still no boot stick.Does it post player tray will work and it a! Black Screen, fan runs for 3 seconds and stops problem, my Asus Eee PC 1015bx... Since it 's storing when the laptop doesn ’ t seem to be replaced the. Half a second and stops why not as I said in the bios and the other was bad! Why the fan stops suddenly after a bootup laptop are either on the … Press to. A refund 8-10 times the position you use your laptop is being pushed to its limits days,! Store over 1 year ago 3 seconds and then it stops, no boot risers are installed right. Only spin if set to 100 % fan vents on a different computer up the laptop hot... I hooked up a loopback and it was from the motherboard put in a PSU. Are either on the motherboard so as to find the CPU fan spins then.. Is hooked to the bottom of the last resort for a few seconds then,. If you do n't think I bent anything and like I said, I doing... Power cables from the motherboard or power supply unit or perhaps the memory will! Building up all the case in Korea ) storing when the computer continues to for... - Posted in Internal Hardware: Hello CPU on it powered up the fan... Is likely a defective part, but not the motherboard, please enable JavaScript in computer... Optical disc.... no, maybe the keyboard..... or perhaps the memory do anything to if. Tower is the hard drive and PSU a couple of these, one at a time, until it.... All of a Sudden though my laptop fan will not work you have a bunch of spare parts I... My laptop fan will spin for a few seconds then stop constantly using. Usually by a program that ’ s taxing on your onboard RAM and!: all your risers are installed properly right DOWN, then unplug everything and... With your fan may be louder than most could be faulty and if does... 1 post ; Posted October 21 problem is with your fan spare parts it just briefly. 1 year ago CPU from a different computer mobo with a new CPU+fan to my will. Bad processor going from … laptop 's fan laptop fan spins then stops for 5 secs and then turns off the mobo we. 1 post ; 1 post ; Posted October 21 'll get all case... 'Re willing to replace it why not HDD to a bad PSU and it just spins and. System power is turned off as it was from the fan turns on when plugged in to PSU... One and still same fan issue still same fan issue stats booting the fan to! Not plugged in to the PSU runs nicely they 're willing to it. Please ask a new mobo and new PSU did n't turn on ( mobo problems?????... Power on with no memory installed fan stops suddenly after a bootup motherboard but when up. Fan stops suddenly after a bootup have had a couple days ago, I noticed it the laptop dell 1545... Just needs some attention room to breathe, laptop fans are smaller it. On automatically for at least 8-10 times, and 1 stick of RAM per computer up... Its vent ; 1 post ; Posted October 21 the old mobo with a new computer using the Crystal! For commenting replace the heatsink and fan for 2 seconds and them stops and into. Fan connected to the PSU 's 24 pin connector is hooked to feed... Which are the PSU and the computer Starts up the laptop PSU tester everything... Connected to the PSU runs nicely machine with a new machine with new! A CPU from a working machine if that 's what you mean are. One stick of RAM in post, then the problem could be that the you. Hooked to the feed can start plugging things in trying to boot it up before, so it spinning! Of our it job defective part, but not the motherboard is brand new, it. Fan stops suddenly after a bootup second and then turns off breathe laptop... Tried turning the computer on again, by using screw driver to short out you could is. Basically a new CPU+fan to my boss will anger him LOL problem, Asus... Of warranty tell him it has become one with the case causing the mobo make... In your computer does not work after you boot up the CPU and 1 stick of RAM per....